Googletest export

Fix Compilation against CMake < 3.7 (Fix #2711)

`VERSION_GREATER_EQUAL` was introduced in CMake 3.7
ref: https://cmake.org/cmake/help/v3.7/release/3.7.html#commands
PiperOrigin-RevId: 300817917

CMakeLists.txt

@@ -10,7 +10,7 @@ endif (POLICY CMP0048)
 project(googletest-distribution)
 set(GOOGLETEST_VERSION 1.10.0)
 
-if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.1")
+if (CMAKE_VERSION VERSION_GREATER "3.0.2")
   if(NOT CYGWIN AND NOT MSYS)
     set(CMAKE_CXX_EXTENSIONS OFF)
   endif()